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Diffstat (limited to 'doc/src/snippets/code/src_qt3support_sql_q3sqlform.cpp')
-rw-r--r-- | doc/src/snippets/code/src_qt3support_sql_q3sqlform.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/doc/src/snippets/code/src_qt3support_sql_q3sqlform.cpp b/doc/src/snippets/code/src_qt3support_sql_q3sqlform.cpp new file mode 100644 index 0000000..177eef4 --- /dev/null +++ b/doc/src/snippets/code/src_qt3support_sql_q3sqlform.cpp @@ -0,0 +1,66 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the documentation of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:BSD$ +** You may use this file under the terms of the BSD license as follows: +** +** "Redistribution and use in source and binary forms, with or without +** modification, are permitted provided that the following conditions are +** met: +** * Redistributions of source code must retain the above copyright +** notice, this list of conditions and the following disclaimer. +** * Redistributions in binary form must reproduce the above copyright +** notice, this list of conditions and the following disclaimer in +** the documentation and/or other materials provided with the +** distribution. +** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor +** the names of its contributors may be used to endorse or promote +** products derived from this software without specific prior written +** permission. +** +** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." +** $QT_END_LICENSE$ +** +****************************************************************************/ + +//! [0] +QLineEdit myEditor(this); +Q3SqlForm myForm(this); +Q3SqlCursor myCursor("mytable"); + +// Execute a query to make the cursor valid +myCursor.select(); +// Move the cursor to a valid record (the first record) +myCursor.next(); +// Set the form's record pointer to the cursor's edit buffer (which +// contains the current record's values) +myForm.setRecord(myCursor.primeUpdate()); + +// Insert a field into the form that uses myEditor to edit the +// field 'somefield' in 'mytable' +myForm.insert(&myEditor, "somefield"); + +// Update myEditor with the value from the mapped database field +myForm.readFields(); +... +// Let the user edit the form +... +// Update the database +myForm.writeFields(); // Update the cursor's edit buffer from the form +myCursor.update(); // Update the database from the cursor's buffer +//! [0] |